FrostDateCheck

Oak Park, MI 48235 Frost Dates

Frost dates for Oak Park, MI, ZIP 48235

Zone 6b

The last spring frost here typically falls around 04/27, about 242 days from today. The first fall frost typically arrives around 10/25, about 181 frost-free days later.

The USDA Plant Hardiness Zone Map puts Oak Park in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

Zone 6b around Oak Park has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Oak Park's last frost

04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Oak Park compares

At roughly 181 frost-free days, Oak Park places 24,450 of 40,283 ZIP codes in this dataset. Within MI, it ranks 76 of 1,153.

Learn more

local microclimates explains what one yard in Oak Park can differ from the 48235 normal, and zone vs. frost date explains why Zone 6b and Oak Park's frost date answer different questions.